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Finding the Fourth Proportional to 62,885.46, 86,756.30 and 35,655.80

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Solution

The fourth proportional to 62,885.46, 86,756.30 and 35,655.80 is: 49,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,885.46 : 86,756.30 = 35,655.80 : x
  2. Step 2: Convert to fraction form
    62,885.46/86,756.30 = 35,655.80/x
  3. Step 3: Cross multiply
    62,885.46x = 86,756.30 × 35,655.80
  4. Step 4: Simplify right side
    62,885.46x = 3,093,365,281.54
  5. Step 5: Solve for x
    x = 3,093,365,281.54/62,885.46
  6. Step 6: Final answer
    x = 49,190.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.